// Copyright (c) 2008-2010, Arne Claus
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are permitted provided that the 
// following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this list of conditions and the following 
//   disclaimer.
// - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following 
//   disclaimer in the documentation and/or other materials provided with the distribution.
// - Neither the name Arne Claus nor the names of any contributors may be used to endorse or promote products
//   derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 
// USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef __INCLUDED_CBL_CLASSFACTORY_H__
#define __INCLUDED_CBL_CLASSFACTORY_H__

#include "CBL_Defines.h"
#include "CBL_Debug.h"
#include "CBL_Singleton.h"
#include "CBL_CRC32.h"
#include "CBL_Rtti.h"

#include <map>

CB_NAMESPACE_START

// -----------------------------------------------------------------------------------------------------------------
//	Classfactory convinience macros
// -----------------------------------------------------------------------------------------------------------------

#define REGISTER_AT_CLASSFACTORY(_ClassName) \
static const uint32 g_##_ClassName##_ClassId = CB_NS::CClassFactory::RegisterClass<_ClassName>()

// -----------------------------------------------------------------------------------------------------------------
//	Classfactory creation helper
//	Specialize for TType if necessary.
// -----------------------------------------------------------------------------------------------------------------

template <typename TType>
void* ClassFactoryNew() { return new TType(); }

// -----------------------------------------------------------------------------------------------------------------
//	Classfactory implementation
// -----------------------------------------------------------------------------------------------------------------

class CClassFactory : public CSingleton<CClassFactory>
{
private:
 
    CBL_SINGLETON_PRIVATE(CClassFactory);
    typedef std::map<uint32, void* (*)()> CTypeMap;
    
public:
    
    template <typename TType>
    static CB_FORCEINLINE uint32 CB_INLINE_ATTR GetClassId();
    
    template <typename TType>
    static CB_FORCEINLINE uint32 CB_INLINE_ATTR GetClassId(TType* _pClass);
    
    template <typename TType>
    static CB_FORCEINLINE const uint32 CB_INLINE_ATTR RegisterClass();
    
    CB_FORCEINLINE void* CB_INLINE_ATTR NewObject(const char* _pClassName);
    
private:
    
    BASELIB_API CClassFactory() {}
    BASELIB_API virtual ~CClassFactory() {}
    
private:
    
    CTypeMap m_TypeMappings;
};

#include "CBL_ClassFactory.hpp"

CB_NAMESPACE_END

#endif